Schematic Diagram - Main Section (3/3) - Sony DSX-A40UE Service Manual

DSX-A40UE/A40UI/A42UI
Ver. 1.1
4-7.

SCHEMATIC DIAGRAM - MAIN Section (3/3) -

1 2 3
A
B
(US, Canadian) FL+
PW1
RL+
RR+
FRONT LCH (+) 1 9
FRONT LCH (–) FR+
2 10 AMP-REM
REAR LCH (+)
REAR LCH (–) ANT-REM
REAR RCH (+) 3 11 ACC
REAR RCH (–) GND
C
FRONT RCH (+) 4 12 FL–
TO
CN102 RL–
FRONT RCH (–)
REM OUT
5 13 RR–
MAX 0.4A
FR–
6 14 TEL-ATT
7 15 TEST
ACC
D
GND 8 16
BATT
FU101
10A
32V
(AEP, Russian, UK)
RL+ RL–
7 8
FL+ FL–
5 6
E
FR+ FR–
3 4
RR+ RR–
1 2
TO
CN102
PW1
FL+ FL–
1 9
F
RL+ RL–
2 10
RR+ RR–
3 11
FR+ FR–
4 12
AMP REM
G
5 13
MAX 0.3A
ANT REM
6 14
ACC
7 15
GND BATT
8 16
H
ACC GND
7 8
ANT REM
5 6
BATT
3 4
1 2
I
J
DSX-A40UE/A40UI/A42UI
• See page 19 for IC Block Diagrams.
4 5 6 7
MAIN BOARD (3/3)
CN102
16P
1
2
3
4
5
6
7
8
9
10
11
12
13
ILL 14
15
+B 16
+B 17
+B 18
+B 19
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
C406 R403 C405
1 10k 47p
8 9 10
IC B/D
IC304
POWER AMP
IC304
PURE5001H-4WX
D402
GN1G
R114 R117
10k 10k
L401
140uH
IC B/D IC B/D
6 5 4
IC401 IC402
REGULATOR +9V REGULATOR
IC401 IC402
LV56831P-E S-1142B90I-E6T1U
1 2 3
R116
47k
D404
GN1G
C407 D405 C638 C412 C401 D401 D403
10 GN1G 47p 0.22 3300 GN1G GN1G
16V
C408
10
C409 R405
1 100k
R407
10k
IC102
IC B/D
+3.3V REGULATOR
IC102
MM1836A33NRE
C403 C106 C110
5 5
10 1000 0.01
1 CONT VIN 5
6.3V
2 GND
3.3
C410 C411
3 NOISE VOUT 4
10 220 C122
100
16V
16V
C119
1
R105
220k
18 18
11 12 13 14
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
D114
Z2J18000L
R118 R334 C350 C319 C318 C404
22 10k 1 10 0.22 1
16V
R111
47k
Q109
LTA014EUBFS8TL
14 0
C101
0.47
C102
0.47 14
Q109, 110
MUTING CONTROL
R112
4.7k Q304
LTC014EUBFS8TL
14
MUTING SWITCH
0
Q110 C328
LTC014YUBFS8TL 1
C105 C349
47 1
25V
R106 R107
1k 1k
C333
D106 D107 47p
DZ2J075M0L Z2J18000L
0
C340
1
6.8
6.8
Q103
LTC014EUBFS8TL
BATTERY CHECK
0
Q101 Q104
LTC044EUBFS8TL 2SC4154TP-1EF
0
Q106
2SC3052EF-T1-LEF
3.2
ACCESSORY CHECK
Q101, 104
0.6
BACK UP
VOLTAGE DETECT
0
15 16 17
19 20 21 22 23 24 25
R356
100
C320 C322 C324 C326
1 1 1 1
C321 C323 C325 C327
1 1 1 1
R325 R324 R323 R322
220 220 220 220
C330 C332
0.22 1
1
2
3
R337 1
0
4
5
MAIN
BOARD
6
(1/3)
7
(Page
3.7 8
16)
0 9
C329 R336
47p 150
20
19
18
3
17
16
MAIN
15
BOARD
14 (2/3)
(Page
12
17)
11
10